Unified Minds№ 242
Mewtwo & Mew-GX
$414.92Details
Weakness Guard Energy (258)
Unified Minds#258
Rare Secret
Weakness Guard Energy #258 is a Rare Secret card from the Unified Minds expansion. This page tracks this exact printing, not every Weakness Guard Energy card.
Current market price
$8.15
-1.6%
30d
HOLOFOIL · TCGPLAYER · 2026-09-07
Community signal is building for this card.
Sun & Moon
Unified Minds · View full set →01 · Price history
124 snapshots
Full price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Weakness Guard Energy #258 card details.
Weakness Guard Energy #258 is a Rare Secret Energy card from Unified Minds, released August 2019. Its current tracked market price is $8.15 for the Holofoil variant, updated September 7, 2026.
Currently ranked #4,703 by market price across tracked Pokémon cards as of September 7, 2026.
Card number
#258
Released
August 2019
Rarity
Rare Secret
Supertype
Energy
Series
Sun & Moon
Market source
TCGplayer market price · Holofoil · Updated September 7, 2026
04 · Related cards
From the same set
More from Unified Minds.
Highest-priced cards from the same expansion, ordered by current market price.
06 · Reference desk
Weakness Guard Energy, explained.
Everything about this card — the price, the variants, and how we track it.
3 questions answered
Q.01Is Weakness Guard Energy from Unified Minds a good investment?
We track prices, not provide investment advice. The active-chase count and recent price history above show current collector interest and market movement.
Q.02How is the market price determined?
Prices are refreshed daily from TCGplayer market-price data via TCGCSV. Each displayed value applies to the tracked price variant named on the card detail page. It is a market reference, not a guaranteed sale price; condition, grading, location, fees, and timing can change an individual sale. This card's current figure reflects the Holofoil variant.
Q.03What does the Chase Index rank mean?
The Chase Index ranks cards by active collector chases. A card near the top is one more collectors are actively trying to find.